The thinning operation of thick lips is at the junction of skin and mucosa of upper and lower lips. According to the thickness of the lips, an oral mucosa and muscle are removed in a spindle or zigzag shape, and then the incision is directly pulled to make the thick lips thinner, and the stitches are removed in five to seven days. The cosmetic incision scar of thin lips and thick lips is hidden in the mouth, and the effect is ideal, without leaving scars. The price is around several thousand yuan.